Up to (4) batteries may be connected in a single parallel string. Before installing batteries for use in series, all batteries must be parallel connected and charged to 100%.Ĭonnecting multiple batteries in parallel will increase the available energy (watt-hour), charge and discharge rates (current), and add capacity (amp-hour) to use your battery bank. Use the Expion360 Bus Bars or 4/0 AWG cables of the same length when connecting multiple batteries. See details about circuit protections in Section 5.2: Circuit Protectionĭo not mix batteries of different ages and sizes in one battery bank. Ensure all cables and circuit protection (fuses and/or circuit breakers) are properly sized for the entire system. Make sure all connections are bundled and well organized to prevent short circuits. When connecting multiple batteries with the Expion360 Bus Bars or power cables, tighten the M 8 x 1.25 hex bolts to 8 lb-ft (96 lb-in) using an adjustable torque wrench. Check our website for more information on tie-down solutions for your Expion360 batteries. We recommend using our unique tie-down system with every installation to eliminate unwanted movement and reduce vibration. This allows our batteries to be installed in any position, opening up a range of creative mounting solutions our competitors are unable to accommodate. The custom-molded case of our batteries includes rigid internal support structures to hold cells in place in any orientation. Installing the batteries within an insulated or conditioned space is always recommended, especially if the batteries will ever be used in temperatures below 32☏. Unlike lead-acid, our batteries do not exhaust any harmful vapor and may be installed inside a trailer, motorcoach, truck camper, or boat cabin. DO NOT LEAVE THE BATTERY FULLY DISCHARGED LONGER THAN 1 WEEKĪlthough our batteries can be installed in an outside battery box, be sure to confirm the battery box has drain holes to prevent water from filling the box.DO NOT LEAVE THE BATTERY CONNECTED WHEN IN STORAGE.DO NOT DISCHARGE THE BATTERY ABOVE ITS MAXIMUM DISCHARGE RATE.DO NOT DISCHARGE THE BATTERY AT OR BELOW -4☏ OR -20☌.DO NOT DISCHARGE THE BATTERY BELOW 10.5 VDC.DO NOT CHARGE THE BATTERY ABOVE ITS MAXIMUM CHARGE RATE.DO NOT CHARGE THE BATTERY AT OR BELOW 32☏ OR 0☌.DO NOT CHARGE THE BATTERY ABOVE 14.6 VDC.DO NOT ATTEMPT TO REPAIR THE BATTERY IF MALFUNCTIONING.DO NOT CONNECT MORE THAN FOUR BATTERIES IN PARALLEL.DO NOT CONNECT MORE THAN FOUR BATTERIES IN SERIES.DO NOT USE BATTERIES OF DIFFERENT AGES AND CAPACITIES.DO NOT USE THE BATTERY AS A STARTER BATTERY.The battery’s oversized power terminals provide a large electrical and physical connection point to accommodate high ampacity power cables and our unique and innovative bus bars. Our proprietary case contains structural elements to protect the battery pack and BMS inside from the effects of vibration and movement. The internal power-distribution plates connecting the cells, battery management system (BMS), and internal terminals are solid copper. Internal power distribution cables are mechanically connected (bolted), rather than soldered, to lower contact resistance and provide a robust physical connection point. MH64383) and are certified to the highest standard in safety and performance. The cells are UL 1642 recognized (file no. Every battery uses cylindrical 26650, stainless steel-encased LiFePO4 cells. LiFePO4 is considered the best choice for these applications because of its high degree of safety, long life, and excellent dependability. Misuse may result in damage to the product(s) and/or cause harm or serious injury.Įxpion360 lithium batteries use lithium iron phosphate (LiFePO4/LFP) chemistry and are designed for RV, marine, and off-grid power storage. Please read this manual in its entirety before using your Expion360 battery, and save it for future reference. In addition, note that specifications and product functionality may change without notice. While every precaution has been taken to ensure the accuracy of the contents of this guide, Expion360 assumes no responsibility for errors or omissions.
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